Mark Wilson / Getty Images
Flowers are placed in front of the U.S. Holocaust Memorial Museum, where a security guard was killed Wednesday in Washington, D,C. An FBI official said the shooter had been preliminarily identified as James W. von Brunn, an 88-year-old self-proclaimed white supremacist and Holocaust denier, who allegedly walked into the museum with a rifle and shot a security guard, who later died.
SEE MORE GALLERIES